laralog/app/Console/Commands/FixImportedContent.php

<?php

declare(strict_types=1);

namespace App\Console\Commands;

use App\Blog\Support\SablogHtmlNormalizer;
use App\Models\Post;
use Illuminate\Console\Command;

class FixImportedContent extends Command
{
    protected $signature = 'sablog:fix-content
        {--all : Repair every post}
        {id? : Single post ID}
        {--dry-run : Preview only}';

    protected $description = 'Clean leftover SaBlog HTML: literal &nbsp;, highlighter blocks, stacked docker divs';

    public function handle(SablogHtmlNormalizer $normalizer): int
    {
        $query = Post::query();

        if ($id = $this->argument('id')) {
            $query->where('id', $id);
        } elseif (! $this->option('all')) {
            $this->error('Pass a post ID or use --all');

            return self::FAILURE;
        }

        $posts = $query->get();
        if ($posts->isEmpty()) {
            $this->info('No posts to repair');

            return self::SUCCESS;
        }

        $changed = 0;
        foreach ($posts as $post) {
            $cleaned = $normalizer->normalize((string) $post->content);
            if ($cleaned === $post->content) {
                continue;
            }

            if ($this->option('dry-run')) {
                $this->line("[{$post->id}] {$post->title}");
                continue;
            }

            $post->content = $cleaned;
            $post->save();
            $changed++;
        }

        $this->info($this->option('dry-run')
            ? 'Preview only, nothing written'
            : "Repaired {$changed} posts");

        return self::SUCCESS;
    }
}